This drama is based from a romantic comedy manga by writer Lee Sun Mi (이선미). The heroine, Go Eun Chan, disguises herself as a man in order to avoid an arranged marriage. She works in a coffee specialty shop and then falls in love with the hot-tempered president of the shop, Choi Han Kyul. Han Kyul thinks that Eun Chan is a man so he starts to think about his sexuality and Eun Chae is torned that she cannot reveal herself unless she wants to get herself married off.